From https://gstreamer.freedesktop.org/src/gstreamer-vaapi/gstreamer-vaapi-1.12.2.tar.xz.sha256sum
sha256 23c714e0474b3c7ae6ff8884aebf8503a1bc3ded335fa2d2b2ac31788466163a gstreamer-vaapi-1.12.2.tar.xz
